Hamburger roll



FIG. 1 is a perspective view of a roll showing my new design;

FIG. 2 is a sectional view taken on the line 2--2 of FIG. 1;

FIG. 3 is a sectional view taken on the line 3--3 of FIG. 1 on a reduced scale; and

FIG. 4 is a top plan view of my new design on a reduced scale. 

The ornamental design for a hamburger roll, substantially as shown and described. 